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首页>>新闻中心>>常见问题>>汽车维修中常见的维修误区!

汽车维修中常见的维修误区!

来源:http://www.lutongqixiu.com/ 日期:2018-12-03 发布人:admin
近几年来,买车的人越来越多,只要有车以后对于车的保养是非常的重要的,汽车都是有一定的时间需要进行维修的,这样的话才能让汽车使用的寿命会更长久一些。但是有一些汽车维修公司的资质有限,对于汽车的维修会走入维修的误区之中。小编今天就为大家介绍汽车维修中常见和几个维修误区 。
  In recent years, more and more people buy cars. As long as there is a car after the maintenance of the car is very important, the car has a certain time to repair, so that the life of the car will be longer. However, some automobile maintenance companies have limited qualifications, and the maintenance of automobiles will go into the wrong area of maintenance. Today, Xiaobian will introduce some common mistakes in automobile maintenance.
  其表现主要有以下10种:1、滑动轴承的轴瓦必须刮削。而现代汽车,尤其是小型发动机,其曲轴轴承和连杆轴承上轴瓦的耐磨合金涂层很薄,绝不允许刮削,只能按相应的尺寸选配。如没有合适尺寸的曲轴承,则必要时可用基孔制的方法磨削曲轴,以求得合适的配合间隙。
  Its main performance is as follows: 1. Sliding Bearing Bush must be scraped. In modern automobiles, especially small engines, the wear-resistant alloy coatings on the bearing bushes of crankshaft bearings and connecting rod bearings are very thin, so scraping is not allowed. They can only be selected according to the corresponding size. If there is no crankshaft bearing of suitable size, the crankshaft can be grinded by means of base hole system if necessary to obtain suitable fit clearance.
  2、发动机水温怕高不怕低。其实现代汽车发动机水温偏低危害很大,会使混合气燃烧不充分,功率降低,油耗增加,并造成润滑不良,还会引起排放超标。
  2. Engine water temperature is afraid of high but not low. In fact, the low water temperature of modern automobile engine is harmful, which will cause insufficient combustion of mixture, lower power, increase fuel consumption, bad lubrication and excessive emissions.
  3、气门间隙大点比小点有劲。其实气门间隙大,气门升程孝开度不够,使进气量不足或排气不畅,恰恰降低了发动机功率。
  3. The larger valve clearance is stronger than the smaller valve clearance. In fact, the large valve clearance, valve lift filial opening is not enough, so that insufficient intake or exhaust is not smooth, it just reduces the engine power.
  4、加机油愈多愈好。其实机油加多了对发动机照样造成危害,斜置式发动机和V型发动机尤甚。它即增加曲轴、连杆的转动阻力,又使其飞溅到缸壁上的机油增多,造成燃烧室积炭增加。所以机油加多了,会降低发动机功率,增加磨损,也会引起排放超标。
  4. The more oil you add, the better. As a matter of fact, the increase of engine oil does harm to the engine, especially the oblique engine and V-type engine. It not only increases the rotational resistance of crankshaft and connecting rod, but also increases the amount of oil splashed on the cylinder wall, resulting in increased carbon deposition in the combustion chamber. Therefore, more oil will reduce engine power, increase wear and tear, and cause excessive emissions.
  5、空毂润滑不可靠。认为轮毂内塞满润滑脂,可保证轮毂轴承的润滑,只在轴承上涂覆润脂的空毂润滑不保险,必须把轮毂中间的空隙装满润滑脂。其实这样做不但浪费润滑脂,而且影响轴承散热,对轴承的润滑有害而无利。
  5. Empty hub lubrication is unreliable. It is considered that the lubrication of hub bearings can be guaranteed by filling the hub with grease. It is not safe to lubricate the empty hub coated with grease only on the bearing, and the gap between the hub must be filled with grease. In fact, this not only wastes grease, but also affects the heat dissipation of bearings, which is harmful to the lubrication of bearings.
  6、制动好坏看拖樱制动拖印说明车轮已经抱死,而现代汽车恰恰要求车轮不能抱死,为此专门安装了防抱死装置。车轮一旦抱死,汽车的转向失灵,车轮滑移,极易发生故障,所以并不是拖印越长越好。
  6. The braking quality of dragging cherry brake Trailer indicates that the wheels have been locked, while modern automobiles require that the wheels should not be locked, so anti-lock brake device is specially installed. Once the wheels are locked, the steering of the car will fail and the wheels will slip. It is very easy to break down, so the longer the drag printing is, the better.
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  7、断电器触点间隙小点好。其实触点间隙过大,触点闭合时间短,使点火线圈一次侧电流减小,引起高压火花弱,从而造成发动机不易起动。
  7. The contact clearance of the breaker is small. In fact, the contact clearance is too large and the contact closing time is short, which reduces the primary side current of the ignition coil and causes the weak high-voltage spark, thus making the engine difficult to start.
  8、点火提前角或喷油提前角宁大勿校点火提前角过大,易引爆燃。发动机产生爆燃,对活塞损害极大,严重影响其使用寿命,且发动机的起动阻力增大。
  8. Ignition advance angle or injection advance angle should not be too large, so it is easy to ignite. The engine produces deflagration, which causes great damage to the piston, seriously affects its service life, and increases the starting resistance of the engine.
  9、紧固螺栓宁紧勿松。其实汽车各部件的螺栓,根据直径、螺距及用途,其拧紧力矩大小均有相应的规定值。达不到规定值的螺栓会松脱固然不好,但盲目增大拧紧力矩会使被紧固的零部件变形,并造成螺杆伸长,螺纹变形甚至断裂。
  9. Fastening bolts should be tightened rather than loosened. In fact, according to the diameter, pitch and use of the bolts of various parts of the automobile, the tightening moment of the bolts has corresponding stipulated values. It is not good that the bolt that can not reach the prescribed value will loosen, but blindly increasing the tightening moment will deform the fastened parts, and cause the elongation of the screw, thread deformation and even fracture.
  10、汽车维护时拆开检查才放心。随着制造水平的提高,现代的汽车零部件寿命已大大延长,随意拆检势必破坏已经磨合好的配合状态。在汽车故障不解体检测技术日臻完善的今天,如果没有发现部件或总成具有明显的故障时一般不要拆检。
  10. It's not until the car is disassembled and inspected during maintenance that you can rest assured. With the improvement of manufacturing level, the service life of modern automotive parts has been greatly prolonged, and random disassembly and inspection is bound to destroy the running-in state. In today's automobile failure detection technology is becoming more and more perfect, it is generally not necessary to disassemble and inspect components or assemblies without noticeable faults.
  以上就是汽车维修中常常出现的误区,希望对大家有所帮助,济南哪里有宝马汽车维修等更多相关内容可以点击咨询:http://www.lutongqixiu.com/
  Above is the common misunderstanding in automobile maintenance. I hope it will be helpful to you. Where can Jinan have BMW automobile maintenance and other related contents? You can click to consult: http://www.lutongqixiu.com/www.lutongqixiu.com/http://www.lutongqixiu.com/http.com/www.
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